This research paper explores methods of thrust augmentation for very small turbojet engines designed for UAVs. The considered methods include afterburning, water injection, and generating a bypass. The ejector nozzle shows high potential for thrust augmentation with minimal increase in complexity and weight. The ejector nozzle is experimentally and numerically investigated on a 200 N turbojet engine. The results enable the development of a compact ejector nozzle with a 20% thrust augmentation. Additionally, the thrust-specific fuel consumption is reduced by approximately 20%
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This research paper explores methods of thrust augmentation for very small turbojet engines designed for UAVs. The considered methods include afterburning, water injection, and generating a bypass. The ejector nozzle shows high potential for thrust augmentation with minimal increase in complexity and weight. The ejector nozzle is experimentally and numerically investigated on a 200 N turbojet engine. The results enable the development of a compact ejector nozzle with a 20% thrust augmentation. A...
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